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Half Lives

Submitted by Christopher Wang  And the answer is… **NOTE: THIS QUESTION REQUIRES MATH. This sort of math is not presence in General Chemistry (in fact, this formula is never seen in the course). Thus, if you are unaware of the formula, do not worry about it. It’ll come around when you hit Physics! 

FURA-2

Submitted by Prerak Juthani The molecule above is known as FURA-2, and it is a dye that is used to bind to Ca(2+) ions within neurons. Based on the charges shown in FURA-2, how many Ca(2+) ions do you think it can bind to? a) 0b) 1c) 2d) 3e) 4 And the answer is… C....

FURA-2 with an Organic Twist

Submitted by Prerak Juthani  The molecule above is known as FURA-2, and it is a dye that is used to bind to Ca(2+) ions within neurons. However, if you look at the molecule, you will realize that it can’t actually cross the cell membrane of neurons because it is charged. Thus, the dye needed to...